What is the air quality trend in Tagawa?

Over the past 8 days, Tagawa had an average AQI of 56 based on station measurements. The worst day was 2026-10-14 with AQI 78.

How is Tagawa air quality measured?

Air quality in Tagawa is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Tagawa, Japan

Name: Tagawa Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Tagawa, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 28 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	37	23–90	10.2 µg/m³	7h	28
2026-10-20	45	28–94	11.6 µg/m³	24h	27
2026-10-19	58	34–125	16.4 µg/m³	24h	27
2026-10-18	35	26–54	8.5 µg/m³	24h	27
2026-10-17	62	32–149	17.7 µg/m³	24h	26
2026-10-16	70	46–118	21.3 µg/m³	24h	24
2026-10-15	64	33–147	18.9 µg/m³	24h	24
2026-10-14	78	33–163	26.4 µg/m³	14h	22

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